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Consider a modulating signal m(t) = Am cos(2 fmt), where fm 10kHz that is used to generate a modulated wave given as: xe(t) Where 'c' is constant, less than unity. (a) Find the in-phase and quadrature component of the modulated wave x.(t). (b) What is the value of the constant c for which re(t) reduces to DSB suppressed carrier modulated wave. cAm Ac cos [27(fe + fm)t] + AmAc(1-c) cos[27(fe- fm)t] (c) What is the value of the constant c for which ze(t) reduces to SSB modulated wave.

Consider a modulating signal m(t) = Am cos(2 fmt), where fm 10kHz that is used to generate a modulated wave given as: xe(t) Where 'c' is constant, less than unity. (a) Find the in-phase and quadrature component of the modulated wave x.(t). (b) What is the value of the constant c for which re(t) reduces to DSB suppressed carrier modulated wave. cAm Ac cos [27(fe + fm)t] + AmAc(1-c) cos[27(fe- fm)t] (c) What is the value of the constant c for which ze(t) reduces to SSB modulated wave.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Part A, B and C

m(t) = Am cos(27 fmt), where fm given as: = Consider a modulating signal 10kHz that is used to generate a modulated wave re(t) = cAmAc cos [27(fe + fm)t] + AmAc(1 - c) cos[27(fe - fm)t] Where 'c' is constant, less than unity. (a) Find the in-phase and quadrature component of the modulated wave x..(t). (b) What is the value of the constant c for which re(t) reduces to DSB suppressed carrier modulated wave. (c) What is the value of the constant c for which re(t) reduces to SSB modulated wave. (d) If a signal re(t) plus the carrier i.e., e(t) + Acos(2π fet) is passed through an envelop detector, determine the distortion produced by the quadrature component. (e) What is the value of constant c for which this distortion is minimized.
Transcribed Image Text:m(t) = Am cos(27 fmt), where fm given as: = Consider a modulating signal 10kHz that is used to generate a modulated wave re(t) = cAmAc cos [27(fe + fm)t] + AmAc(1 - c) cos[27(fe - fm)t] Where 'c' is constant, less than unity. (a) Find the in-phase and quadrature component of the modulated wave x..(t). (b) What is the value of the constant c for which re(t) reduces to DSB suppressed carrier modulated wave. (c) What is the value of the constant c for which re(t) reduces to SSB modulated wave. (d) If a signal re(t) plus the carrier i.e., e(t) + Acos(2π fet) is passed through an envelop detector, determine the distortion produced by the quadrature component. (e) What is the value of constant c for which this distortion is minimized.
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